| | Irmo, SC | Tracy, CA | United States |
| Expend. per Student | $17,157 | $14,344 | $15,905 |
| Educ. Expend. per Student | $14,952 | $12,386 | $13,142 |
| Instr. Expend. per Student | $9,360 | $7,464 | $7,999 |
| Pupil/Teacher Ratio | 15.36 | 22.88 | 16.23 |
| Students per Librarian | 574 | 23436 | 4573 |
| Students per Counselor | 336 | 566 | 530 |
| Grade School Educ. | 2.5% | 8.4% | 4.8% |
| Some High School Educ. | 2.6% | 7.4% | 6.3% |
| High School Educ. | 95.0% | 84.1% | 88.9% |
| Some College Educ. | 26.8% | 26.3% | 20.0% |
| 2 yr College Grad. | 11.2% | 10.2% | 8.7% |
| 4 yr College Grad. | 38.0% | 22.4% | 33.7% |
| Masters Grad. | 10.2% | 4.0% | 9.3% |
| Professional Degree | 0.6% | 1.2% | 2.2% |
| Doctorate Degree | 0.6% | 0.7% | 1.5% |